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512tr Rotor Question

Discussion in 'Technical Q&A' started by ajacobazzi, Apr 15, 2006.

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  1. ajacobazzi

    ajacobazzi Karting

    Aug 1, 2003
    113
    #1 ajacobazzi, Apr 15, 2006
    What are the two pins/studs that protrude from the rotor? They're located in the same area where the lugs thread into the rotor to hold the wheels on.

    The only logical thing that I can think they're used for is to help hold the wheel in place while your trying to thread the lugs into the rotor so you don’t have to muscle the wheel in place with one hand while trying to install the lugs with the other. Is that right? Thanks.
     
  2. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,288
    Cowboy Capitol of the World
    Full Name:
    Brian Crall
    #2 Rifledriver, Apr 15, 2006
    They also hold the holes in the rotor in line with the holes in the mounting flange.
     
  3. ferrarifixer

    ferrarifixer F1 Veteran
    BANNED

    Jul 22, 2003
    8,520
    Melbourne
    Full Name:
    Phil Hughes
    #3 ferrarifixer, Apr 15, 2006
    Also, if the bolts were removed, you may find dirt/rust would fall behind the disc when the wheel is off, making a brake judder when re-fitting.

    I suspect this question arises from trying to fit different wheels?

    Just use a normal 8mm threaded bolt (countersink if necessary), if the peg is in the way.
     

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